Check out this YouTube channel. It does simple dishes with humor. https://www.youtube.com/c/yousuckatcooking
As well, check out this book. I got it as a gift back in the 80s and Its a little dated, but can teach you how to cook easy nutritious meals and snack for little ones. I still have some of the recipes memorized and use them with my grandkids. Feed Me, I'm Yours